Sony Ericsson txt Pro (CK15a) vs Apple iPhone 17 (512GB)
Side by side comparison between Sony Ericsson txt Pro vs Apple iPhone 17 phones, differences, pros, cons and full specifications. What's the better?
,
vs
6.3"
OLED
OLED
1206x2622
48
MP
MP
18mp
8GB
RAM
RAM
Hexa-core
3692
mAh
mAh
(Non removable)
What's the better phone? Apple iPhone 17 (512GB)
The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!
5 Advantages 
35 Advantages | 9 Common items in both devices |
| Only digital zoom |
| Capacitive |
| Accelerometer |
| Ambient light sensor |
| Proximity sensor |
| Hands-free calling |
| Vibrating alert |
| +2 specs and more in the table below |
Check the comparison table below for more items that are not evaluated in comparison score above.
Highlight differences Clear highlight📱 Model features | ||
| Sony Ericsson txt Pro (CK15a) | iPhone 17 (512GB) | |
| Model | txt Pro (CK15a) | iPhone 17 (512GB) |
| Other model names | Sony Ericsson txt Pro CK15, Sony txt Pro | iPhone 17 (A3258, A3519, A3520, A3521) |
| Country or region available |    (Latin America), Canada, USA |  (Global, International) |
| Brand | Sony Ericsson | Apple |
| Release date | 7/1/2011 | 9/19/2025, Announced: 9/9/2025 |
| Depth | 18 millimeters (0.71 inches) | 7.95 millimeters (0.31 inches) |
| Size (width x height) | 52 x 93 millimeters (2.05 x 3.66 in) | 71.5 x 149.6 millimeters (2.81 x 5.89 in) |
| Weight | 100 grams (3.5 ounces) | 177 grams (6.2 ounces) |
| Build, materials | feature not registered | Aluminum frame, glass front/back |
| Protection against water and others | Not supported | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant |
📲 Display | ||
| Sony Ericsson txt Pro (CK15a) | iPhone 17 (512GB) | |
| Display type | TFT LCD | LTPO Super Retina XDR OLED |
| Screen size | 3" inches | 6.3" inches |
| Screen-to-body ratio | ~53% (screen-to-body ratio) | ~90.9% (screen-to-body ratio) |
| Display resolution | 240x400 pixels | 1206x2622 pixels (19.5:9) |
| Touchscreen | Capacitive Single touch 1-point | Capacitive Multitouch |
| Pixel density (dot pitch) | 155 PPI | 458 PPI |
| Colors | 260 thousand | 1 billion |
| Scratch-resistant glass | Scratch-resistant glass | Ceramic Shield 2 |
| Refresh rate | feature not registered | 120Hz |
| Display features | feature not registered | 1000nits[typ], 3000nits[peak] HDR10 Always-On Display Oleophobic coating screen True-tone Wide color gamut |
🤖 Operating System | ||
| Sony Ericsson txt Pro (CK15a) | iPhone 17 (512GB) | |
| System version | Proprietary OS | iOS 26 |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Sony Ericsson txt Pro (CK15a) | iPhone 17 (512GB) | |
| Chipset | 32bit | 64bit: Apple A19 (3nm) |
| CPU | Single-core, 1 processor: Single-core PNX-4910 (Single-core) | Hexa-core, 2 processors: 2x 4.26GHz P-Core (Dual-core) 4x 2.1GHz E-Core (Quad-core) |
| GPU graphical controller | feature not registered | A19 Pro GPU (5-core) |
| Performance (benchmark) | feature not registered | AnTuTu: 1829854 (v10) Geekbench: 8910 (v6.5) |
💽 Memory and storage | ||
| Sony Ericsson txt Pro (CK15a) | iPhone 17 (512GB) | |
| RAM memory | 64MB SDRAM | 8GB LPDDR5X |
| Internal storage | 256MB (100MB available) | 512GB (482GB available) NVMe (SSD) |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Sony Ericsson txt Pro (CK15a) | iPhone 17 (512GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 1 slot (Single-SIM) nano-SIM (4FF) + e-SIM |
| Maximum Download / Upload | 0.236 Mbps | 5000/1024 Mbps |
| Network technology | 2G | 2G, 3G, 4G, 5G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | CDMA 800/1900, GSM 850/900/1800/1900 |
| Primary 3G network | Not supported | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 |
| Primary 4G network | Not supported | LTE Cat20 VoLTE A3520 (International): LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 32, 53, 66) TD-LTE (34, 38, 39, 40, 41, 42, 48) A3258 e-SIM only (USA): LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 32, 53, 66, 71) TD-LTE (34, 38, 39, 40, 41, 42, 48) A3519 (Canada, Mexico, EMEA): LTE (1, 2, 3, 4, 5, 7, 8, 11, 12, 13, 14, 17, 18, 19, 20, 21, 25, 26, 28, 29, 30, 32, 53, 66, 71) TD-LTE (34, 38, 39, 40, 41, 42, 48) A3521 No e-SIM (China): LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 32, 66) TD-LTE (34, 38, 39, 40, 41, 42, 48) |
| Primary 5G network | Not supported | A3520 (International): SA/NSA/Sub6 (1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 30, 38, 40, 41, 48, 53, 66, 70, 75, 77, 78, 79) A3258 e-SIM only (USA): SA/NSA/Sub6 (1, 2, 3, 5, 7, 8, 12, 14, 20, 25, 26, 28, 29, 30, 38, 40, 41, 48, 53, 66, 70, 71, 75, 77, 78, 79) mmWave (258, 260, 261) A3519 (Canada, Mexico, EMEA): SA/NSA/Sub6 (1, 2, 3, 5, 7, 8, 12, 14, 20, 25, 26, 28, 29, 30, 38, 40, 41, 48, 53, 66, 70, 71, 75, 77, 78, 79) A3521 No e-SIM (China): SA/NSA/Sub6 (1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 30, 38, 40, 41, 48, 66, 70, 75, 77, 78, 79) |
| Primary data network | GPRS, EDGE | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6, mmWave |
| Secondary 2G network | Not supported | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | Not supported |
📷 Camera | ||
| Sony Ericsson txt Pro (CK15a) | iPhone 17 (512GB) | |
| Back camera (main camera) | 3.1 megapixels | (dual camera) 48 megapixels 48MP ultrawide f/2.213mm120°1/2.55"0.7µmPDAF |
| Main camera resolution | 2048x1536 pixels | 8000x6000 pixels |
| Video recording (primary) | QVGA (320x240) | 4K UHD (3840x2160) 60 fps |
| Flash | Not supported | Dual-LED flash |
| Focal aperture | feature not registered | f/1.6 (aperture) |
| Focal length | feature not registered | 26mm (lens) |
| Sensor size | feature not registered | 1/1.56" inches |
| Pixel size | feature not registered | 1µm pixel |
| Autofocus | Not supported | PDAF: phase detection autofocus on both cameras |
| Touch focus | Not supported | Supported |
| Image stabilization | feature not registered | OIS: Optical stabilization on both cameras |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Not supported | Face detection, Smile detection |
| BSI sensor | Not supported | Supported |
| HDR | Not supported | HDR photo/video on both cameras |
| Camera extras | feature not registered | 4K@24/25/30/60fps 1080p@25/30/60/120/240fps Dolby Vision (60fps) |
📸 Front camera | ||
| Sony Ericsson txt Pro (CK15a) | iPhone 17 (512GB) | |
| Front camera (secondary) | Not supported | (dual front camera) 18 megapixels 0.3MP SL 3D |
| Front camera resolution | Not supported | 5184x3456 pixels |
| Video recording (secondary) | Not supported | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/1.9 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| Sony Ericsson txt Pro (CK15a) | iPhone 17 (512GB) | |
| Loudspeaker | Supported | Stereo sound Dolby Atmos Spatial Audio 3D |
| Active noise cancellation | Not supported | 3 microphones |
| Radio | FM (RDS) | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.263 | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Sony Ericsson txt Pro (CK15a) | iPhone 17 (512GB) | |
| USB | MicroUSB 2.0 | USB 2.0 Type-C reversible connector |
| Audio output | 3.5mm jack | Type-C reversible connector |
| TV output | Not supported | USB Type-C (reversible) |
| Bluetooth | 2.1 + A2DP | 6.0 + A2DP/LE |
| WiFi | 802.11 b/g [wifi3] (2.4GHz) | 802.11 a/b/g/n/ac/ax/be [wifi7/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi hotspot |
| DLNA | Not supported | Not supported |
| GPS | Not supported | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Sony Ericsson txt Pro (CK15a) | iPhone 17 (512GB) | |
| Sensors | Accelerometer Ambient light sensor Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Face unlock 3D Gyroscope Proximity sensor UWB (Ultra Wideband) |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Sony Ericsson txt Pro (CK15a) | iPhone 17 (512GB) | |
| Battery type | LiPo: li-ion polymer (Removable) BST-43 | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 1000 mAh | 3692 mAh |
| Charger, watts | Wired charging | 30W Wired fast charging 4.5W Reverse charging by cable USB Power Delivery 2.0 |
| Inductive / wireless charging | feature not registered | 25W Qi2 wireless charging |
| Talk time autonomy | 5.2 hours | feature not registered |
| Standby | 400 hours (16.7 days) | feature not registered |
➕ Other features | ||
| Sony Ericsson txt Pro (CK15a) | iPhone 17 (512GB) | |
| Call control | Voice recorder | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Not supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Retractable QWERTY keyboard | Not supported |
| Miscellaneous | • Colors: Black, White, Pink • Facebook and Twitter • Google Mail and Google Talk • Java framework | • Colors: Black, White, Mist Blue, Sage, Lavender • Apple Intelligence • Apple Pay • Face ID • MagSafe |
☢️ Radiation rate | ||
| Sony Ericsson txt Pro (CK15a) | iPhone 17 (512GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.8W/kg (head) | feature not registered |